diff --git a/socorro/processor/signature_utilities.py b/socorro/processor/signature_utilities.py
index 0498001f02..aa428e7fc5 100644
--- a/socorro/processor/signature_utilities.py
+++ b/socorro/processor/signature_utilities.py
@@ -436,6 +436,7 @@ class CSignatureTool(CSignatureToolBase):
           'nss.*',
           'nsTArray<.*',
           'nsTArray_base<.*',
+          'nsTArray_Impl<.*',
           'NtUser.*',
           'objc_exception_throw',
           'objc_msgSend',